cc: Convert DoNotSkipLayersWithHandlers to LayerImpl
cc: Convert DoNotSkipLayersWithHandlers to LayerImpl

The main thread property tree version doesn't have to care about
handlers, so convert this to be a LayerImpl test.

R=weiliangc@chromium.org
BUG=502041
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1296933003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#343966}

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